Shelf assembly for attachment to vertical surfaces



FIG. 1 is a top perspective view of a shelf assembly for attachment tovertical surfaces showing my new design;

FIG. 2 is a left side elevational view of the shelf assembly forattachment to vertical surfaces with the right side being a mirror imagethereof;

FIG. 3 is a front view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a top perspective view of a second embodiment of the shelfassembly for attachment to vertical surfaces.

The broken line showing of environment in FIGS. 1 and 5 is forillustrative purposes only and forms no part of the claimed design.

The ornamental design for a shelf assembly for attachment to verticalsurfaces, as shown and described.